549937 has 2 divisors, whose sum is σ = 549938. Its totient is φ = 549936.

The previous prime is 549911. The next prime is 549943. The reversal of 549937 is 739945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531441 + 18496 = 729^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 549937 - 2¹¹ = 547889 is a prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 549896 and 549905.

It is not a weakly prime, because it can be changed into another prime (549977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274968 + 274969.

It is an arithmetic number, because the mean of its divisors is an integer number (274969).

2⁵⁴⁹⁹³⁷ is an apocalyptic number.

It is an amenable number.

549937 is a deficient number, since it is larger than the sum of its proper divisors (1).

549937 is an equidigital number, since it uses as much as digits as its factorization.

549937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 549937 is about 741.5773729018. The cubic root of 549937 is about 81.9289986230.

The spelling of 549937 in words is "five hundred forty-nine thousand, nine hundred thirty-seven".